diff --git a/src/v1/datastore_client_config.json b/src/v1/datastore_client_config.json
index f55f17df0..fb7c2c449 100644
--- a/src/v1/datastore_client_config.json
+++ b/src/v1/datastore_client_config.json
@@ -3,6 +3,7 @@
     "google.datastore.v1.Datastore": {
       "retry_codes": {
         "idempotent": [
+          "DEADLINE_EXCEEDED",
           "UNAVAILABLE"
         ],
         "non_idempotent": []
diff --git a/synth.metadata b/synth.metadata
index 1e2777d49..1a538b3ff 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -1,5 +1,5 @@
 {
-  "updateTime": "2019-05-08T11:58:34.101456Z",
+  "updateTime": "2019-05-10T12:01:53.705538Z",
   "sources": [
     {
       "generator": {
@@ -12,8 +12,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "51145ff7812d2bb44c1219d0b76dac92a8bd94b2",
-        "internalRef": "247143125"
+        "sha": "07883be5bf3c3233095e99d8e92b8094f5d7084a",
+        "internalRef": "247530843"
       }
     },
     {